CA2038687A1 - Methode et dispositif d'excitation pour afficheur matriciel actif a cristaux liquides - Google Patents

Methode et dispositif d'excitation pour afficheur matriciel actif a cristaux liquides

Info

Publication number
CA2038687A1
CA2038687A1 CA2038687A CA2038687A CA2038687A1 CA 2038687 A1 CA2038687 A1 CA 2038687A1 CA 2038687 A CA2038687 A CA 2038687A CA 2038687 A CA2038687 A CA 2038687A CA 2038687 A1 CA2038687 A1 CA 2038687A1
Authority
CA
Canada
Prior art keywords
liquid crystal
active matrix
crystal device
matrix liquid
driving active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2038687A
Other languages
English (en)
Other versions
CA2038687C (fr
Inventor
Shuzo Kaneko
Akio Yoshida
Ryoji Fujiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2069547A external-priority patent/JP2727131B2/ja
Priority claimed from JP6954690A external-priority patent/JP2673595B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of CA2038687A1 publication Critical patent/CA2038687A1/fr
Application granted granted Critical
Publication of CA2038687C publication Critical patent/CA2038687C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/065—Waveforms comprising zero voltage phase or pause
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/207—Display of intermediate tones by domain size control

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
CA002038687A 1990-03-22 1991-03-20 Methode et dispositif d'excitation pour afficheur matriciel actif a cristaux liquides Expired - Fee Related CA2038687C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2069547A JP2727131B2 (ja) 1990-03-22 1990-03-22 アクティブマトリクス液晶素子の駆動法
JP2-069546 1990-03-22
JP2-069547 1990-03-22
JP6954690A JP2673595B2 (ja) 1990-03-22 1990-03-22 アクティブマトリクス液晶素子の駆動法

Publications (2)

Publication Number Publication Date
CA2038687A1 true CA2038687A1 (fr) 1991-09-23
CA2038687C CA2038687C (fr) 1996-05-07

Family

ID=26410733

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002038687A Expired - Fee Related CA2038687C (fr) 1990-03-22 1991-03-20 Methode et dispositif d'excitation pour afficheur matriciel actif a cristaux liquides

Country Status (5)

Country Link
US (1) US5675351A (fr)
EP (1) EP0448105B1 (fr)
AT (1) ATE148574T1 (fr)
CA (1) CA2038687C (fr)
DE (1) DE69124403T2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2746486B2 (ja) * 1991-08-20 1998-05-06 シャープ株式会社 強誘電性液晶素子
JPH05134626A (ja) * 1991-11-11 1993-05-28 Sharp Corp 液晶素子とその駆動方法
JP3173200B2 (ja) * 1992-12-25 2001-06-04 ソニー株式会社 アクティブマトリクス型液晶表示装置
GB2310524A (en) * 1996-02-20 1997-08-27 Sharp Kk Display exhibiting grey levels
US6496170B1 (en) * 1998-04-30 2002-12-17 Canon Kabushiki Kaisha Liquid crystal apparatus
US6456266B1 (en) * 1998-06-30 2002-09-24 Canon Kabushiki Kaisha Liquid crystal display apparatus
JP3971892B2 (ja) * 2000-09-08 2007-09-05 株式会社日立製作所 液晶表示装置
JP3928438B2 (ja) * 2001-11-30 2007-06-13 コニカミノルタホールディングス株式会社 液晶表示素子の駆動方法、駆動装置及び液晶表示装置
US7400308B2 (en) * 2005-08-09 2008-07-15 Sin-Min Chang Method and apparatus for stereoscopic display employing an array of pixels each employing an organic light emitting diode
US7345664B2 (en) * 2005-08-09 2008-03-18 Sin-Min Chang Method and apparatus for stereoscopic display employing a reflective active-matrix liquid crystal pixel array
US7348952B2 (en) * 2005-08-09 2008-03-25 Sin-Min Chang Method and apparatus for stereoscopic display employing a transmissive active-matrix liquid crystal pixel array
US7307609B2 (en) * 2005-08-09 2007-12-11 Sin-Min Chang Method and apparatus for stereoscopic display employing a reflective active-matrix liquid crystal pixel array
US7345665B2 (en) * 2005-08-09 2008-03-18 Sin-Min Chang Method and apparatus for stereoscopic display employing a transmissive active-matrix liquid crystal pixel array
US7345659B2 (en) * 2005-08-09 2008-03-18 Sin-Min Chang Method and apparatus for stereoscopic display employing an array of pixels each employing an organic light emitting diode

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048633A (en) * 1974-03-13 1977-09-13 Tokyo Shibaura Electric Co., Ltd. Liquid crystal driving system
JPH0629919B2 (ja) * 1982-04-16 1994-04-20 株式会社日立製作所 液晶素子の駆動方法
JPS59129837A (ja) * 1983-01-14 1984-07-26 Canon Inc 時分割電圧印加方法及び装置
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
GB2149176B (en) * 1983-10-26 1988-07-13 Stc Plc Addressing liquid crystal displays
JPS6186732A (ja) * 1984-10-04 1986-05-02 Canon Inc 液晶装置
US5255110A (en) * 1985-12-25 1993-10-19 Canon Kabushiki Kaisha Driving method for optical modulation device using ferroelectric liquid crystal
JPS62150334A (ja) * 1985-12-25 1987-07-04 Canon Inc 液晶装置
US4836656A (en) * 1985-12-25 1989-06-06 Canon Kabushiki Kaisha Driving method for optical modulation device
GB2173629B (en) * 1986-04-01 1989-11-15 Stc Plc Addressing liquid crystal cells
US4824218A (en) * 1986-04-09 1989-04-25 Canon Kabushiki Kaisha Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes
EP0256548B1 (fr) * 1986-08-18 1993-03-17 Canon Kabushiki Kaisha Méthode et appareil pour commande de dispositif de modulation optique
US4906072A (en) * 1986-10-09 1990-03-06 Canon Kabushiki Kaisha Display apparatus and driving method for providing an uniform potential to the electrodes
NL8700627A (nl) * 1987-03-17 1988-10-17 Philips Nv Werkwijze voor het besturen van een vloeibaar kristalweergeefinrichting en bijbehorende weergeefinrichting.
JPS63235919A (ja) * 1987-03-24 1988-09-30 Seiko Epson Corp 液晶ライトバルブの駆動方法
JPS63253333A (ja) * 1987-04-10 1988-10-20 Citizen Watch Co Ltd マトリクス型液晶表示体駆動方法
US4958912A (en) * 1987-07-07 1990-09-25 Canon Kabushiki Kaisha Image forming apparatus
CA1319767C (fr) * 1987-11-26 1993-06-29 Canon Kabushiki Kaisha Afficheur
GB2213304A (en) * 1987-12-07 1989-08-09 Philips Electronic Associated Active matrix address display systems
NL8703085A (nl) * 1987-12-21 1989-07-17 Philips Nv Werkwijze voor het besturen van een weergeefinrichting.

Also Published As

Publication number Publication date
EP0448105B1 (fr) 1997-01-29
DE69124403T2 (de) 1997-06-26
ATE148574T1 (de) 1997-02-15
EP0448105A3 (en) 1993-01-07
DE69124403D1 (de) 1997-03-13
CA2038687C (fr) 1996-05-07
EP0448105A2 (fr) 1991-09-25
US5675351A (en) 1997-10-07

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Legal Events

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EEER Examination request
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